An expert has issued a warning to people if they notice a specific sign when pressing down on the fingernails.

Pressing down on your fingernails could reveal a subtle yet serious indicator of heart trouble, according to a doctor.

In severe aortic valve regurgitation, Quincke's sign refers to systolic pulsations seen upon light compression of the nail bed. There is no clinical significance to this finding.

Through an Instagram video post, Doctor Joe Whittington, widely recognized as Dr Joe MD on the platform, alerted his followers to be vigilant for Quincke’s sign. He clarified that this ...